VEVOR Sand Filter Above Ground with 850W Pool Pump 18,000 L/H Flow 6-Way ValveProduct Features Efficient Performance Are you ready to enjoy your pool this summer? Our 850W sand filter pump provides a large water flow of up to 18,000 L H, ensuring efficient water circulation speed. With the ability to cycle the entire pool in a short amount of time, you can enjoy a clean and secure swimming experience. Multi function & Intelligent Timing The sand pump has 6 different functions, including filter, rinse, backwash, waste, closed,